Flask and cap



FIG. 1 is a perspective view of a flask and cap according to our new design;

FIG. 2 is a front elevation view thereof, the rear elevation view being a mirror image;

FIG. 3 is a right side elevation view thereof, the left side elevation view being a mirror image;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a bottom plan view thereof.

The broken lines of FIGS. 1, 4, and 5, illustrate boundary lines for the claimed design and form no part of the claimed design. 

The ornamental design for flask and cap, as shown and described. 